About a year and a half.
A prarie dog lives to 20 in human years well unless it dose not get attacked or something like that.- Jacob Hoggard.
Yes, you can neuter a dog at any age. but its not good to do it when they are under 7 weeks. If they are any older than I think its alright.
When it stops growing completly. But sometimes you can't tell for a while.Actually, a dog is considered to be an adult at 18 mos. Smaller breed dogs are full sized within a year, while giant breeds...
Prairie dogs usually live 13 to 14 years!